JP2004033056A - Operation section structure of working machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a working machine operation section structure equipped with a fixed handle which can easily be used as a support for a hand for supporting a steering lever and also as the original fixed handle. <P>SOLUTION: This working machine operation section structure is characterized in that the machine frame longitudinal direction width W1 on one side of a laterally directed bar type fixed handle 16 is larger than the machine frame longitudinal direction width W2 on the other side and that one side of the handle 16 is disposed near to a place in front of the operation lever 14. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a driving unit structure of a working machine provided with a steering lever capable of swinging operation for a body steering operation.
[0002]
[Prior art]
In the above-mentioned working machine, conventionally, a bar-shaped fixed handle is provided in the driving unit in a horizontal direction, and one end of the fixed handle is disposed in front of the steering lever, and the vicinity of the wrist of the hand supporting the steering lever is provided. By mounting it on a fixed handle, even if the body swayed due to the swaying motion of the aircraft, it was possible to steer while easily avoiding moving the steering lever due to the effect. .
Conventionally, this type of working machine employs a fixed handle having the same width in the longitudinal direction of the machine over the entire length, and has the following problems.
[0003]
[Problems to be solved by the invention]
In other words, even when trying to place the hand that supports the steering lever, it is difficult to mount the fixed handle because the width of the fixed handle in the longitudinal direction of the machine is narrow, or even if the fixed handle is used as the original handle, There was a problem that it was too wide to hold.
[0004]
SUMMARY OF THE INVENTION An object of the present invention is to provide an operating unit structure of a working machine that can easily use a fixed handle as a hand rest or an original fixed handle.
[0005]
[Means for Solving the Problems]
The configuration, operation and effect of the invention according to claim 1 are as follows.
[0006]
〔Constitution〕
In a driving unit structure of a working machine provided with a steering lever capable of swinging operation for a body steering operation, a bar-shaped fixed handle in a lateral direction of the machine is provided with an airframe in which a longitudinal width of the machine at one end is equal to that of the other end. The steering lever is configured so as to be wider than the front-rear direction width, and one end side is arranged near the front side of the steering lever.
[0007]
[Action]
When the fixed handle used as a hand rest supporting the steering lever has one side in the longitudinal direction of the fuselage at the one end side, which is larger than the longitudinal direction width in the other end side, when used as a hand rest, Hands can be easily placed using the part with the large body front-rear direction width, and when using the fixed handle as the original handle, grasp the other end side so that the other body side front-rear width is one end You can hold it easily because it is smaller than the side.
[0008]
〔effect〕
Therefore, when the fixed handle is used, the other end of the fixed handle can be easily grasped and used easily. In addition, the steering lever can be mounted on the mounting table of the hand supporting the steering lever by using the fixed handle. For stable support, the hand can be placed comfortably on the fixed handle for comfortable steering.
[0009]
The configuration, operation and effect of the invention according to claim 2 are as follows.
[0010]
〔Constitution〕
In the configuration of the invention according to claim 1, the rear side surface of the fixed handle is fixed to a stepped surface which is displaced in the longitudinal direction of the fixed handle in the longitudinal direction of the fixed handle in the longitudinal direction of the fixed handle. The fixed handle is provided with the above-mentioned longitudinal difference in the longitudinal direction of the body by being formed on a smooth surface which is smoothly continuous over the entire length of the handle.
[0011]
[Action]
The fixed handle has the front-rear side width of the fixed handle on the stepped surface and the smooth side of the fixed handle on the rear side of the fuselage. When working, the upper body can be easily protruded by placing the body on the smooth surface of the fixed handle.
[0012]
〔effect〕
Therefore, even when the fixed handle has the above-mentioned width difference, the upper body can be easily protruded forward to easily work when looking into the lower front.
[0013]
The configuration, operation and effect of the invention according to claim 3 are as follows.
[0014]
〔Constitution〕
In the structure of the invention according to claim 1 or 2, a side surface of the fixed handle facing rearward of the fuselage is a curved surface recessed forward of the fuselage in plan view.
[0015]
[Action]
When working while looking forward and downward from the driver, the upper body can be more easily protruded by applying the body to the curved surface of the fixed handle.
[0016]
〔effect〕
Therefore, even when the fixed handle has the above-mentioned width difference, the upper body can be easily protruded forward to facilitate work when looking into the lower front part.
[0017]
BEST MODE FOR CARRYING OUT THE INVENTION
As shown in FIG. 1, a self-propelled by a pair of right and left crawler traveling devices 1, a riding type driving unit 10 provided with a driving seat 11, and a prime mover equipped with an engine 3 located below the driving seat 11. The mowing unit 5 equipped with a raising device 5a and a mowing device 5b acting on the planted grain culm is connected to the side of the operating unit of the fuselage frame 4 of the airframe having the mowing unit so that the mowing unit can be moved up and down freely. A threshing device 6 for threshing the harvested culm from the culm conveying device 5c of the section 5, and a grain tank 7 for collecting the grain from the threshing device 6 are mounted on the body frame 4, and rice, wheat, etc. The combine has been configured to harvest.
[0018]
As shown in FIG. 2 and the like, in front of the driver's seat 11 of the driver 10, a control panel 13 erected at the front end of the driver deck 12 is provided on one side of the upper side of the control panel 13. The steering lever 14 is fixed to the steering panel 13 by being connected between upper ends of a pair of right and left columns 15 standing upright on the upper part of the steering panel 13 and one end is located near the front side of the steering lever 14. A fixed handle 16 in the form of a bar oriented in the horizontal direction is provided.
[0019]
The steering lever 14 is supported so as to be capable of swinging in the lateral direction of the fuselage, and is shifted by a transmission (not shown) for transmitting the driving force of the engine 3 to the left and right traveling devices 1. It is linked to perform control.
[0020]
As shown in FIGS. 2 and 3, the fixed handle 16 has a stepped portion a at a position in the longitudinal direction of the fixed handle 16. The side closer to the steering lever 14 is located on the front side of the fuselage than the side farther from the steering lever 14 is a stepped surface that is displaced in the longitudinal direction of the fuselage. The fixed handle 16 is formed such that the steering lever 14 of the fixed handle 16 is positioned so as to have a smooth curved surface in a curved state recessed toward the front side of the fuselage in plan view. Is larger than the width W2 in the longitudinal direction at the other end.
[0021]
That is, the steering lever 14 is operated to perform the steering operation of the aircraft. That is, by swinging the steering lever 14 from the neutral position to the left or right side of the vehicle, a driving speed difference is generated between the left and right crawler traveling devices 1 and the vehicle is turned leftward in the same direction as the operation direction of the steering lever 14. By moving the steering lever 14 to the neutral position, the driving speeds of the left and right crawler traveling devices 1 become equal, and the aircraft travels straight. At this time, by placing the vicinity of the wrist of the hand supporting the steering lever 14 on one end of the fixed handle 16 and supporting the same, it is easy to avoid that the steering lever 14 moves due to the influence of the swinging of the body. It has become. When using the fixed handle 16 such as stabilizing the body by grasping the fixed handle 16, the other end of the fixed handle 16 distant from the steering lever 14 is used, so that the width of the other end of the body in the longitudinal direction of the aircraft is used. W2 is smaller than that on one end side close to the steering lever 14 and is easy to grip.
[0022]
As shown in FIG. 3 (c), the control panel 13 is formed into a resin panel having a hollow interior 13d by blow molding of a resin material. The fixed handle 16 and the pair of right and left columns 15 are also blow-molded at the same time when the control panel 13 is blow-molded, so that the interior 16c of the fixed handle 16 is also an integral part of the control panel 13. The inside 15a is also made of a resin handle or resin column having a hollow structure.
[0023]
As shown in FIG. 4, a concave portion 13 a into which a support frame 20 made of a metal pipe enters is provided on the back surface side of the upper end portion of the control panel 13, and a sheet metal back cover 21 that covers the concave portion 13 a and the support frame 20 is attached. It is. As shown in FIG. 3A, a recess 13b for accommodating an electric cable or the like connected to a detection switch (not shown) for detecting the operation position of the steering lever 14 is provided on the front side of the control panel 13. The recess 13b is provided so as to be covered by a decorative cover 22 made of resin as shown in FIG.
[0024]
As shown in FIG. 4 (a), one end of the back cover 21 is provided with a portion 21a which is bent so as to extend forward with respect to the back cover body from the body, and the bent portion 21a is provided with a side portion. A mirror support for supporting the mirror 23 is provided. A recess 13 c is provided at the base of the support column 15 of the control panel 14 so as to allow the bent portion 21 a of the back cover 21 attached to the control panel 14 to enter so as not to be seen from the front.
[0025]
[Another embodiment]
In addition to harvesting rice and wheat, the present invention can be applied to an operating unit provided in a harvester that harvests various crops such as onions and carrots. Therefore, these combiners and the like are collectively referred to as a working machine.
[Brief description of the drawings]
FIG. 1 is a side view of the entire combine. FIG. 2 is a plan view of a driving unit. FIG. 3A is a perspective view of the control panel as viewed from the front side, and FIG. FIG. 4 (A) is a perspective view showing a back cover mounting portion of the control panel, and FIG. 4 (A) is a perspective view showing a back cover mounting state of the control panel. Figure,
FIG. 5 is a front view showing a state in which a decorative cover is attached to the control panel.
14 Steering lever 16 Fixed handle 16a Front side face of fixed handle 16b Rear side face W1 of fixed handle W1 longitudinal width at one end of fixed handle W2 Aircraft longitudinal width at the other end of fixed handle

Claims (3)

An operating unit structure of a working machine provided with a steering lever capable of swinging operation for a body steering operation,
A bar-shaped fixed handle oriented sideways to the fuselage is configured such that the longitudinal width of the fuselage at one end is greater than the longitudinal width of the fuselage at the other end, and one end is located near the front side of the steering lever. The operating unit structure of the working machine provided in The side of the fixed handle facing forward of the fuselage is formed on a stepped surface that is displaced in the longitudinal direction of the fuselage in the middle of the fixed handle in the longitudinal direction. The operating unit structure of a working machine according to claim 1, wherein each of the formed operating handles has a fixed handle provided with the width difference in the longitudinal direction of the machine. The operating unit structure of a working machine according to claim 1, wherein a side surface of the fixed handle facing rearward of the fuselage has a curved surface recessed toward the front of the fuselage in plan view.

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